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Precise Calculator

This programmable scientific calculator has arbitrary precision and can calculate with real numbers, complex numbers and fractions.

  • more than 150 mathematical functions
  • predefined macros for 2D and 3D geometry - parallelogram, rhombus, trapezoid, torus, pyramidal frustum, spherical cone, ...
  • physical constants - speed of light, permittivity of vacuum, elementary charge, Planck, Boltzmann, Avogadro, ...
  • units constants - inch, foot, mile, fluid ounce, gallon, barrel, horse power, calorie, parsec, ...
  • matrices - multiplication, transpose, inversion, determinant, rank, Gauss elimination, sort
  • vectors - length, scalar product, vector product
  • complex numbers - absolute value, phase angle, conjugate, imaginary part
  • integer functions - factorial, combination, permutation, the greatest common divisor, prime numbers, Fibonacci
  • statistics - median, most frequent value, mean, geometric mean, harmonic mean, variance, standard deviation, linear regression
  • numeric bases - hex, bin, oct or custom up to base 36
  • angle conversions - deg, rad, grad
  • display format - scientific, engineering, fixed
  • scripts - if, goto, print, return, for
  • numerical integral

You can download released binaries (EXE file) for Windows from sourceforge.net.

Precise Calculator screenshot